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11<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
12<info>
13  <title>&os; &release.current; Release Notes</title>
14
15  <author>
16    <orgname>The &os; Project</orgname>
17  </author>
18
19  <pubdate>$FreeBSD: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 270502 2014-08-24 16:26:12Z gjb $</pubdate>
20
21  <copyright>
22    <year>2000</year>
23    <year>2001</year>
24    <year>2002</year>
25    <year>2003</year>
26    <year>2004</year>
27    <year>2005</year>
28    <year>2006</year>
29    <year>2007</year>
30    <year>2008</year>
31    <year>2009</year>
32    <year>2010</year>
33    <year>2011</year>
34    <year>2012</year>
35    <year>2013</year>
36    <year>2014</year>
37    <holder role="mailto:doc@FreeBSD.org">The &os; Documentation Project</holder>
38  </copyright>
39
40  <legalnotice xml:id="trademarks" role="trademarks">
41    &tm-attrib.freebsd;
42    &tm-attrib.ibm;
43    &tm-attrib.ieee;
44    &tm-attrib.intel;
45    &tm-attrib.sparc;
46    &tm-attrib.general;
47  </legalnotice>
48
49  <abstract>
50    <para>The release notes for &os; &release.current; contain
51      a summary of the changes made to the &os; base system on the
52      &release.branch; development line.  This document lists
53      applicable security advisories that were issued since the last
54      release, as well as significant changes to the &os; kernel and
55      userland.  Some brief remarks on upgrading are also
56      presented.</para>
57  </abstract>
58</info>
59
60<sect1 xml:id="intro">
61  <title>Introduction</title>
62
63  <para>This document contains the release notes for &os;
64    &release.current;.  It describes recently added, changed, or
65    deleted features of &os;.  It also provides some notes on
66    upgrading from previous versions of &os;.</para>
67
68  <para releasetype="current">The &release.type; distribution to which
69    these release notes apply represents the latest point along the
70    &release.branch; development branch since &release.branch; was
71    created.  Information regarding pre-built, binary &release.type;
72    distributions along this branch can be found at <uri
73      xlink:href="&release.url;">&release.url;</uri>.</para>
74
75  <para releasetype="snapshot">The &release.type; distribution to
76    which these release notes apply represents a point along the
77    &release.branch; development branch between &release.prev; and the
78    future &release.next;.  Information regarding pre-built, binary
79    &release.type; distributions along this branch can be found at
80    <uri xlink:href="&release.url;">&release.url;</uri>.</para>
81
82  <para releasetype="release">This distribution of &os;
83    &release.current; is a &release.type; distribution.  It can be
84    found at <uri xlink:href="&release.url;">&release.url;</uri> or
85    any of its mirrors.  More information on obtaining this (or other)
86    &release.type; distributions of &os; can be found in the <link
87      xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
88	&os;</quote> appendix</link> to the <link
89      xlink:href="&url.books.handbook;/">&os; Handbook</link>.</para>
90
91  <para>All users are encouraged to consult the release errata before
92    installing &os;.  The errata document is updated with
93    <quote>late-breaking</quote> information discovered late in the
94    release cycle or after the release.  Typically, it contains
95    information on known bugs, security advisories, and corrections to
96    documentation.  An up-to-date copy of the errata for &os;
97    &release.current; can be found on the &os; Web site.</para>
98</sect1>
99
100<sect1 xml:id="new">
101  <title>What's New</title>
102
103  <para>This section describes the most user-visible new or changed
104    features in &os; since &release.prev;.</para>
105
106  <para>Typical release note items document recent security advisories
107    issued after &release.prev;, new drivers or hardware support, new
108    commands or options, major bug fixes, or contributed software
109    upgrades.  They may also list changes to major ports/packages or
110    release engineering practices.  Clearly the release notes cannot
111    list every single change made to &os; between releases; this
112    document focuses primarily on security advisories, user-visible
113    changes, and major architectural improvements.</para>
114
115  <sect2 xml:id="security">
116    <title>Security Advisories</title>
117
118    <para>&nbsp;</para>
119
120  </sect2>
121
122  <sect2 xml:id="kernel">
123    <title>Kernel Changes</title>
124
125    <para revision="260338">The <literal>vfs.zfs.zio.use_uma</literal>
126      &man.sysctl.8; has been re-enabled.  On multi-CPU machines with
127      enough RAM, this can easily double &man.zfs.8; performance or
128      reduce CPU usage in half.  It was originally disabled due to
129      memory and <acronym>KVA</acronym> exhaustion problem reports,
130      which should be resolved due to several change in the VM
131      subsystem.</para>
132
133    <para revision="260385" contrib="sponsor" sponsor="&ix;">The
134      &man.geom.4; RAID driver has been
135      updated to support unmapped I/O.</para>
136
137    <para revision="260431">A new &man.sysctl.8;,
138      <literal>kern.panic_reboot_wait_time</literal>, has been added,
139      which allows controlling how long the system will wait after
140      &man.panic.9; before rebooting.</para>
141
142    <para revision="260857">The &man.virtio_blk.4; driver has been
143      updated to support unmapped I/O.</para>
144
145    <para revision="260858">The &man.virtio_scsi.4; driver has been
146      updated to support unmapped I/O.</para>
147
148    <para revision="262861">The &man.vt.4; driver has been merged
149      from &os;-CURRENT.  To enable &man.vt.4;, enter
150      <literal>set kern.vty=vt</literal> at the &man.loader.8; prompt
151      during boot, or add <literal>kern.vty=vt</literal> to
152      &man.loader.conf.5; and reboot the system.</para>
153
154    <para revision="262967">Support for MegaRAID Fury cards has been
155      added to the &man.mfi.4; driver.</para>
156
157    <para revision="263024">The &man.aacraid.4; driver has been
158      updated to version 3.2.5.</para>
159
160    <para revision="263122">Support for &man.hwpmc.4; has been added
161      for &powerpc;&nbsp;970 class processors.</para>
162
163    <para revision="263197">Support for ADT7460 and ADT7467 fan
164      controllers found in newer PowerBooks&trade; and
165      iBooks&trade; has been added to the &man.iicbus.4;
166      driver.</para>
167
168    <para revision="263256">A panic triggered by removing
169      a &man.urtwn.4; device has been fixed.</para>
170
171    <para revision="263799">A potential deadlock in the &man.usb.4;
172      stack triggered by detaching USB devices that create character
173      devices has been fixed.</para>
174
175    <para revision="263869">Support for &amd;&nbsp;Family 16h sensor
176      devices has been added to &man.amdtemp.4;.</para>
177
178    <para revision="264522">Support for LUN-based CD changers has been
179      removed from the &man.cd.4; driver.</para>
180
181    <para revision="264734">Support for 9th generation HP host bus
182      adapter cards has been added to &man.ciss.4;.</para>
183
184    <para revision="265388" contrib="sponsor" sponsor="&lsi;">The
185      &man.mpr.4; device has been added,
186      providing support for LSI Fusion-MPT 3 12Gb SCSI/SATA
187      controllers.</para>
188
189    <para revision="265536">The <literal>GEOM_VINUM</literal> option
190      is now able to be built both directly into the kernel or as
191      a &man.kldload.8; loadable module.</para>
192
193    <para revision="265922" contrib="sponsor" sponsor="&lsi;">The
194      &man.mrsas.4; driver has been added,
195      providing support for LSI MegaRAID SAS controllers.  The
196      &man.mfi.4; driver will attach to the controller, by default.
197      To enable &man.mrsas.4; add
198      <literal>hw.mfi.mrsas_enable=1</literal> to
199      <filename>/boot/loader.conf</filename>, which turns off
200      &man.mfi.4; device probing.</para>
201
202    <note>
203      <para>At this time, the &man.mfiutil.8; utility and
204	the &os; version of
205	<application>MegaCLI</application> and
206	<application>StorCli</application> do not work with
207	&man.mrsas.4;.</para>
208    </note>
209
210    <para revision="266165">A kernel bug that inhibited proper
211      functionality of the <literal>dev.cpu.0.freq</literal>
212      &man.sysctl.8; on &intel; processors with Turbo
213      Boost&nbsp;&trade; enabled has been fixed.</para>
214
215    <sect3 xml:id="kernel-virtualization">
216      <title>Virtualization support</title>
217
218      <para revision="259450">Support for &microsoft; Hyper-V
219	has been added to &os;/i386 as loadable modules, however
220	not available in the <filename>GENERIC</filename> kernel
221	configuration.</para>
222
223      <para revision="261090">The &man.bhyve.4; hypervisor now
224	supports soft power-off functionality via the ACPI S5
225	state.</para>
226    </sect3>
227
228    <sect3 xml:id="kernel-arm">
229      <title>ARM support</title>
230
231      <para revision="259355">The <filename>WANDBOARD</filename>
232	kernel configuration file has been added.</para>
233
234      <para revision="265067">Boot devices may now be specified by
235	setting a u-boot environment variable.  If a boot device is
236	not specified, the probe mechanism will be used.  To specify
237	the boot device, set the
238	<literal>loaderdev=<replaceable>device</replaceable></literal>
239	u-boot environment variable.</para>
240    </sect3>
241
242    <sect3 xml:id="boot">
243      <title>Boot Loader Changes</title>
244
245      <para revision="262701">A kernel selection menu has been added
246	to &man.loader.8;.  If the <quote>beastie menu</quote> is
247	enabled, the kernel to boot may be selected from the kernel
248	selection menu.  Additional kernels may be listed in
249	&man.loader.conf.5; as a comma- or space-separated list.  By
250	default, <literal>kernel</literal> and
251	<literal>kernel.old</literal> are listed.</para>
252    </sect3>
253
254    <sect3 xml:id="proc">
255      <title>Hardware Support</title>
256
257      <para>&nbsp;</para>
258
259      <sect4 xml:id="mm">
260	<title>Multimedia Support</title>
261
262	<para>&nbsp;</para>
263
264      </sect4>
265
266      <sect4 xml:id="net-if">
267	<title>Network Interface Support</title>
268
269	<para revision="259453">Support for Ralink RT5370 and
270	  RT5372 chipsets has been added to the &man.run.4;
271	  driver.</para>
272
273	<para revision="260120">Firmware for the &man.run.4; driver
274	  has been updated to version 0.33.</para>
275
276	<para revision="261868">Support for the Ralink RT3593
277	  chipset has been added to the &man.run.4; driver.</para>
278
279	<para revision="261972">The &man.nve.4; driver is now
280	  deprecated, and the &man.nfe.4; driver should be used
281	  instead.</para>
282
283	<para revision="262137">Support for the &man.axge.4; driver
284	  has been added.  This driver supports the ASIX AX88178A and
285	  AX88179 USB ethernet adapters.  The AX88178A supports USB
286	  2.0, and the AX88179 supports USB 2.0 and 3.0.</para>
287
288	<para revision="262363">The &man.urndis.4; driver has been
289	  imported from OpenBSD.</para>
290
291	<para revision="264866">Support for multiple
292	  transmitter/receiver queues has been added to the
293	  &man.vmx.4; driver.</para>
294
295	<note>
296	  <para>The &os;&nbsp;guest operating system must have
297	    <acronym>MSIX</acronym> enabled as a prerequisite for
298	    multiple queues.</para>
299	</note>
300
301	<para revision="265345">Support for the ASUS USB-N10 Nano
302	  wireless card has been added to the &man.urtwn.4;
303	  driver.</para>
304      </sect4>
305    </sect3>
306
307    <sect3 xml:id="net-proto">
308      <title>Network Protocols</title>
309
310      <para>&nbsp;</para>
311
312    </sect3>
313
314    <sect3 xml:id="disks">
315      <title>Disks and Storage</title>
316
317      <para revision="259328" contrib="sponsor"
318	sponsor="&ff;">The &man.geom.8; <literal>label</literal> class
319	is now aware of resized partitions.  This corrects an issue
320	where <command>geom resize</command> would resize the
321	partition, but the label provider in <filename
322	  class="directory">/dev/gptid/</filename> would not be
323	resized.</para>
324
325      <para revision="260502">The &man.gmirror.8;
326	utility now has a <literal>resize</literal> command, making
327	it easier to resize the size of a mirror when all of its
328	components have been replaced.</para>
329
330      <para revision="268091">Support for the
331	<literal>disklabel64</literal> partitioning scheme has been
332	added to &man.gpart.8;.</para>
333    </sect3>
334
335    <sect3 xml:id="fs">
336      <title>File Systems</title>
337
338      <para revision="260178" contrib="vendor"
339	vendor="&netflix;">A new flag, <literal>-R</literal>,
340	has been added to the &man.fsck.ffs.8; utility.  When used,
341	&man.fsck.ffs.8; will restart itself when too many critical
342	errors have been detected.</para>
343
344      <para revision="263407">The &man.zfs.8; filesystem has been
345	updated to implement <quote>bookmarks</quote>.  See
346	&man.zfs.8; for further details.</para>
347    </sect3>
348  </sect2>
349
350  <sect2 xml:id="userland">
351    <title>Userland Changes</title>
352
353    <para revision="260177" contrib="sponsor"
354      sponsor="&netflix;">A new flag is added to &man.camcontrol.8;,
355      <literal>-b</literal>, which outputs the existing buses and
356      their parents.</para>
357
358    <para revision="262075">The &man.newsyslog.8; utility has been
359      updated to rotate files based on the actual file size instead
360      of the blocks on disk.  This matches the behavior documented in
361      &man.newsyslog.conf.5;.</para>
362
363    <para revision="262384">The location of the &man.rctl.8;
364      configuration file can now be overridden in &man.rc.conf.5;.
365      To use a non-default location, set <literal>rctl_rules</literal>
366      in &man.rc.conf.5; to the location of the file.</para>
367
368    <para revision="262855">The <application>ATF</application> test
369      suite has been updated to version 0.20.</para>
370
371    <para revision="263019">The <literal>libucl</literal> library
372      (Unified Configuration Library) has been merged from
373      &os;-CURRENT.</para>
374
375    <para revision="263020">The &man.pkg.7; bootstrapping utility has
376      been synced with the version in &os;-CURRENT.</para>
377
378    <para revision="263403">The &man.zfs.8; userland utility has been
379      updated to include aliases for <command>snapshot</command>,
380      which allows use of <command>zfs list -t snap</command> and
381      <command>zfs snap</command>.</para>
382
383    <para revision="263405">The &man.zfs.8; userland utility has been
384      updated to include a new flag to <command>zfs list</command>,
385      <literal>-p</literal>, which when specified, prints the output
386      in a parsable format.</para>
387
388    <para revision="263508">The &man.clang.1;/llvm suite has been
389      updated to version 3.4.</para>
390
391    <para revision="263783">The Blowfish password format
392      implementation updated.  Support for &dollar;2b&dollar; has
393      been added, allowing use of passwords greater than 256
394      characters long.</para>
395
396    <para revision="264497">The &man.iconv.3; library has been
397      updated to match NetBSD, providing several bug fixes.</para>
398
399    <para revision="265265">The &man.date.1; utility has been updated
400      to include a new flag, <literal>-R</literal>, which prints the
401      date and time output as specified in RFC 2822.</para>
402
403    <para revision="265533">The &man.bc.1; utility has been updated to
404      version 1.1, in sync with the version in OpenBSD.</para>
405
406    <para revision="265604" contrib="vendor"
407      vendor="&netflix;">The &man.pmcstat.8; utility has been
408      updated to include a new flag, <literal>-a</literal>, which when
409      specified, produces a full stack track on the sampled
410      points.</para>
411
412    <para revision="266279">The &man.ps.1; utility has been
413      updated to include the <literal>-J</literal> flag, used to
414      filter output by matching &man.jail.8; IDs and names.
415      Additionally, argument <literal>0</literal> can be used to
416      <literal>-J</literal> to only list processes running on the
417      host system.</para>
418
419    <para revision="266280">The &man.top.1; utility has been updated
420      to filter by &man.jail.8; ID or name, in followup to the
421      &man.ps.1; change in <literal>r265229</literal>.</para>
422
423    <para revision="266890">The &man.pmcstat.8; utility has been
424      updated to include a new flag, <literal>-l</literal>, which
425      ends event collection after the specified number of
426      seconds.</para>
427
428    <para revision="267113">The default &man.newsyslog.conf.5; now
429      includes files in the
430      <filename>/etc/newsyslog.conf.d/</filename> and
431      <filename>/usr/local/etc/newsyslog.conf.d/</filename>
432      directories by default for &man.newsyslog.8;.</para>
433
434    <para revision="267236">A new flag, <quote>onifconsole</quote> has
435      been added to <filename>/etc/ttys</filename>.  This allows the
436      system to provide a login prompt via serial console if the
437      device is an active kernel console, otherwise it is equivalent
438      to <literal>off</literal>.</para>
439
440    <para revision="268161">The &man.mkimg.1; utility has been merged
441      from &os;-CURRENT.</para>
442
443    <sect3 xml:id="rc-scripts">
444      <title><filename>/etc/rc.d</filename> Scripts</title>
445
446      <para revision="264438">The <filename>network.subr</filename>
447	&man.rc.8; script has been updated to loosen the requirement
448	of listing network aliases in numeric order.  Previously,
449	a network alias of
450	<literal>_alias<replaceable>2</replaceable></literal>
451	would not be created if
452	<literal>_alias<replaceable>1</replaceable></literal> was
453	not defined.</para>
454    </sect3>
455  </sect2>
456
457  <sect2 xml:id="contrib">
458    <title>Contributed Software</title>
459
460    <para revision="263285">The &man.xz.1; utility has been updated
461      to a post-5.0.5 snapshot.</para>
462
463    <para revision="263369" contrib="sponsor"
464      sponsor="&darpa_afrl;">The &man.lldb.1; debugging library has
465      been updated to the r196322 snapshot.</para>
466
467    <para revision="263906">The timezone database has been updated to
468      version tzdata2014b.</para>
469
470    <para revision="264377"><application>OpenSSH</application> has
471      been updated to version 6.6p1.</para>
472
473    <para revision="264911">The &man.nc.1; utility has been updated
474      to match the version in OpenBSD 5.5.</para>
475
476    <para revision="266692"><application>Sendmail</application>
477      has been updated to 8.14.9.</para>
478
479    <para revision="267258"><application>OpenSSL</application> has
480      been updated to version 1.0.1h.</para>
481  </sect2>
482
483  <sect2 xml:id="ports">
484    <title>Ports/Packages Collection Infrastructure</title>
485
486    <para>&nbsp;</para>
487
488  </sect2>
489
490  <sect2 xml:id="releng">
491    <title>Release Engineering and Integration</title>
492
493    <para revision="263028">The &man.services.mkdb.8; utility has
494      been updated to include endianness awareness, allowing the
495      <filename>services.db</filename> database to be created as
496      part of the release build, regardless of native- or
497      cross-built releases.</para>
498  </sect2>
499
500  <sect2 xml:id="doc">
501    <title>Documentation</title>
502
503    <para>&nbsp;</para>
504
505  </sect2>
506</sect1>
507
508<sect1 xml:id="upgrade">
509  <title>Upgrading from Previous Releases of &os;</title>
510
511  <para arch="amd64,i386">Binary upgrades between RELEASE versions
512    (and snapshots of the various security branches) are supported
513    using the &man.freebsd-update.8; utility.  The binary upgrade
514    procedure will update unmodified userland utilities, as well as
515    unmodified GENERIC or SMP kernels distributed as a part of an
516    official &os; release.  The &man.freebsd-update.8; utility
517    requires that the host being upgraded have Internet
518    connectivity.</para>
519
520  <para>Source-based upgrades (those based on recompiling the &os;
521    base system from source code) from previous versions are
522    supported, according to the instructions in
523    <filename>/usr/src/UPDATING</filename>.</para>
524
525  <important>
526    <para>Upgrading &os; should only be attempted after
527      backing up <emphasis>all</emphasis> data and configuration
528      files.</para>
529  </important>
530</sect1>
531</article>
532